Spill proof beverage coaster



FIG. 1 is a perspective view of the spill proof beverage coaster according to an embodiment of the invention;

FIG. 2 is a front view of the spill proof beverage coaster as shown in FIG. 1;

FIG. 3 is a top view of the spill proof beverage coaster as shown in FIG. 1; and,

FIG. 4 is a bottom view of the spill proof beverage coaster as shown in FIG. 1. 

CLAIM I claim the ornamental design for a spill proof beverage coaster, as shown and described. 